1. Resistance in wheat (Triticum aestivum)to Diuraphis noxia (Homoptera: Aphididae);Toit F.;Cereal Res. Comm.,1987
2. A greenhouse test for screening wheat seedlings for resistance to the Russian wheat aphid, Diuraphis noxia (Homoptera: Aphididae);Toit F.;Phytophylactica,1988
3. Another source of Russian wheat aphid (Diuraphis noxia) resistance in Triticum aestivum;Toit F.;Cereal Res. Comm.,1988
4. Field resistance in three bread wheat lines to the Russian wheat aphid, Diuraphis noxia (Hemiptera: Aphididae)
5. ‘n Terugblik op die ontwikkeling van Russiese koringluisbestande kultivars;Toit F.;Koringfokus,1993